:root {
  color-scheme: light;
  --ink: #111827;
  --muted: #5f6b7a;
  --line: #d7dee8;
  --paper: #f7f9fc;
  --white: #ffffff;
  --teal: #148b8b;
  --teal-dark: #0b5f63;
  --gold: #c9a85d;
  --shadow: 0 24px 60px rgba(12, 24, 38, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
}

a {
  color: var(--teal-dark);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.hero {
  min-height: 72vh;
  display: flex;
  align-items: center;
  padding: 64px 24px 40px;
  background:
    linear-gradient(130deg, rgba(18, 137, 137, 0.94), rgba(24, 69, 83, 0.78)),
    url("/assets/kithra-icon.png") center right 8vw / min(560px, 60vw) no-repeat;
  color: var(--white);
}

.hero-copy {
  width: min(760px, 100%);
  margin: 0 auto;
}

.app-icon {
  width: 88px;
  height: 88px;
  border-radius: 22px;
  box-shadow: var(--shadow);
}

.eyebrow {
  margin: 26px 0 8px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.88rem;
  font-weight: 700;
  text-transform: uppercase;
}

h1,
h2 {
  line-height: 1.05;
  letter-spacing: 0;
}

h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(2.8rem, 8vw, 5.8rem);
}

h2 {
  margin: 0 0 14px;
  font-size: 1.35rem;
}

.lede {
  max-width: 680px;
  margin: 24px 0 0;
  color: rgba(255, 255, 255, 0.88);
  font-size: 1.2rem;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.primary-link,
.secondary-link {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  padding: 12px 18px;
  font-weight: 700;
  text-decoration: none;
}

.primary-link {
  color: var(--ink);
  background: var(--white);
}

.secondary-link {
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.44);
}

.band,
.plain,
.document {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.band {
  padding: 56px 0;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

article,
.document {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 26px;
  box-shadow: 0 10px 32px rgba(15, 23, 42, 0.06);
}

article p,
.plain p,
.document p,
.document li {
  color: var(--muted);
}

.plain {
  padding: 0 0 56px;
}

.plain h2 {
  color: var(--teal-dark);
}

.muted {
  color: var(--muted);
}

.document {
  margin-top: 42px;
  margin-bottom: 42px;
  max-width: 820px;
}

.document h1 {
  color: var(--teal-dark);
  font-size: clamp(2.4rem, 7vw, 4.4rem);
}

.document h2 {
  margin-top: 32px;
}

.back-link {
  display: inline-block;
  margin-bottom: 24px;
  font-weight: 700;
  text-decoration: none;
}

footer {
  display: flex;
  justify-content: center;
  gap: 24px;
  padding: 26px 20px 36px;
  border-top: 1px solid var(--line);
}

footer a {
  font-weight: 700;
  text-decoration: none;
}

@media (max-width: 780px) {
  .hero {
    min-height: 76vh;
    align-items: flex-end;
    padding-top: 36px;
    background:
      linear-gradient(150deg, rgba(18, 137, 137, 0.95), rgba(24, 69, 83, 0.84)),
      url("/assets/kithra-icon.png") top 28px right -72px / 320px no-repeat;
  }

  .grid {
    grid-template-columns: 1fr;
  }

  .actions {
    flex-direction: column;
    align-items: stretch;
  }
}